superaudible frequency

简明释义

超声频

英英释义

A superaudible frequency refers to sound waves that are above the range of human hearing, typically above 20 kHz.

超可听频率指的是超出人类听觉范围的声波,通常在20 kHz以上。

例句

1.Some dog training tools use superaudible frequency 超声频率 signals to get the dog's attention without disturbing people.

一些狗训练工具使用超声频率 超声频率信号来引起狗的注意,而不会打扰到人。

2.The sound emitted by the device operates at a superaudible frequency 超声频率, making it effective for communication with certain animals.

该设备发出的声音工作在超声频率 超声频率,使其能够有效地与某些动物进行沟通。

3.In sonar technology, superaudible frequency 超声频率 waves are utilized to detect underwater objects.

在声纳技术中,使用超声频率 超声频率波来探测水下物体。

4.The researchers discovered that certain animals can hear sounds in the superaudible frequency 超声频率 range, which are inaudible to humans.

研究人员发现某些动物可以听到范围在超声频率 超声频率内的声音,这对人类来说是不可听见的。

5.Devices designed to emit superaudible frequency 超声频率 sounds are often used in pest control.

设计用来发出超声频率 超声频率声音的设备通常用于害虫控制。

作文

In the field of acoustics, the concept of superaudible frequency refers to sound waves that exist beyond the range of human hearing. Typically, humans can hear frequencies between 20 Hz and 20,000 Hz (20 kHz). However, superaudible frequency encompasses sounds that exceed this upper limit, reaching frequencies that are often above 20 kHz. These frequencies can be produced by various sources, including electronic devices, animals, and even certain natural phenomena. Understanding superaudible frequency is crucial in various applications, from wildlife research to technological innovations.One of the most fascinating aspects of superaudible frequency is its role in the animal kingdom. Many animals, such as dogs and bats, can perceive sounds at these higher frequencies. For instance, dogs can hear frequencies up to 45 kHz, which allows them to detect sounds that are inaudible to humans. This heightened sense of hearing aids them in hunting and communication, showcasing the evolutionary advantages of perceiving superaudible frequency sounds. Similarly, bats utilize echolocation, emitting high-frequency sounds and interpreting the returning echoes to navigate and locate prey in complete darkness. The ability to perceive superaudible frequency is not just a curiosity; it plays a vital role in survival for many species.In addition to its biological significance, superaudible frequency has practical applications in technology. Ultrasonic cleaning devices, for example, operate at frequencies typically above 20 kHz. These devices use superaudible frequency sound waves to create microscopic bubbles in a cleaning solution. When these bubbles collapse, they produce powerful cleaning action that can remove dirt and grime from delicate items without causing damage. This technology is widely used in jewelry cleaning, medical instrument sterilization, and industrial applications, demonstrating how superaudible frequency can be harnessed for practical purposes.Moreover, the study of superaudible frequency has implications in the field of medicine. Ultrasound imaging, commonly used in prenatal scans, relies on high-frequency sound waves to create images of the inside of the body. These sound waves are above the audible range, allowing for non-invasive examinations that can provide critical information about a patient's health. The ability to utilize superaudible frequency in medical diagnostics has revolutionized patient care and continues to evolve with advancements in technology.However, the existence of superaudible frequency also raises questions about its impact on the environment and human health. As technology advances, we are increasingly surrounded by devices that emit high-frequency sounds, often without our awareness. While these frequencies may not be audible, they can still influence wildlife behavior and potentially disrupt ecosystems. Research is ongoing to understand the long-term effects of exposure to superaudible frequency sounds on both humans and animals, emphasizing the need for responsible use of technology.In conclusion, the concept of superaudible frequency opens up a world of understanding that transcends human limitations. From the remarkable adaptations of animals to the innovative applications in technology and medicine, superaudible frequency plays a significant role in various domains. As we continue to explore and harness these frequencies, it is essential to consider their implications for our environment and health. By doing so, we can appreciate the full spectrum of sound and its profound effects on life around us.

超声频率的概念在声学领域中指的是超出人类听觉范围的声波。通常情况下,人类可以听到的频率范围在20 Hz到20,000 Hz(20 kHz)之间。然而,超声频率包含了超过这一上限的声音,达到通常高于20 kHz的频率。这些频率可以由各种来源产生,包括电子设备、动物甚至某些自然现象。理解超声频率在多个应用中至关重要,从野生动物研究到技术创新。超声频率最迷人的一个方面是它在动物王国中的作用。许多动物,如狗和蝙蝠,能够感知这些更高的频率。例如,狗可以听到高达45 kHz的频率,这使得它们能够检测人类无法听到的声音。这种增强的听觉能力帮助它们在捕猎和交流中展现出进化优势,展示了感知超声频率声音的重要性。同样,蝙蝠利用回声定位,发出高频声音并解读返回的回声,在完全黑暗中导航和定位猎物。感知超声频率的能力不仅仅是一个好奇心;它在许多物种的生存中发挥着至关重要的作用。除了生物学意义,超声频率在技术上的应用也不容忽视。例如,超声清洗设备通常在20 kHz以上的频率下运行。这些设备利用超声频率声波在清洗液中产生微小气泡。当这些气泡崩溃时,会产生强大的清洗作用,可以去除细腻物品上的污垢,而不会造成损害。这项技术广泛用于珠宝清洗、医疗器械消毒和工业应用,展示了如何利用超声频率实现实用目的。此外,超声频率的研究在医学领域也有重要意义。超声成像,通常用于产前扫描,依赖于高频声波来创建体内图像。这些声波位于可听范围之外,允许进行非侵入性检查,从而提供关于患者健康的关键信息。在医学诊断中利用超声频率的能力已经彻底改变了患者护理,并随着技术的进步不断发展。然而,超声频率的存在也引发了关于其对环境和人类健康影响的问题。随着技术的进步,我们越来越多地被发出高频声音的设备包围,往往在我们意识不到的情况下。虽然这些频率可能不可听,但它们仍然可能影响野生动物行为,并可能干扰生态系统。研究正在进行中,以了解长期暴露于超声频率声音对人类和动物的影响,强调了负责任使用技术的必要性。总之,超声频率的概念开启了一个超越人类限制的理解世界。从动物的惊人适应到技术和医学中的创新应用,超声频率在各个领域中都扮演着重要角色。随着我们继续探索和利用这些频率,考虑它们对环境和健康的影响至关重要。通过这样做,我们可以欣赏声音的全谱及其对我们周围生命的深远影响。

相关单词

frequency

frequency详解:怎么读、什么意思、用法